Home / 31,628.27-43,646.85-17,481.12

Finding the Fourth Proportional to 31,628.27, 43,646.85 and 17,481.12

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Solution

The fourth proportional to 31,628.27, 43,646.85 and 17,481.12 is: 24,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628.27 : 43,646.85 = 17,481.12 : x
  2. Step 2: Convert to fraction form
    31,628.27/43,646.85 = 17,481.12/x
  3. Step 3: Cross multiply
    31,628.27x = 43,646.85 × 17,481.12
  4. Step 4: Simplify right side
    31,628.27x = 762,995,658.80
  5. Step 5: Solve for x
    x = 762,995,658.80/31,628.27
  6. Step 6: Final answer
    x = 24,123.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.